For solid insurance of a long lasting ride install these high-tech polyurethane cab mounts. Superior in construction and fit over factory style rubber bushings that can rot and distort over time. This style will always retain its shape and strength. Steel ring supports are added into the support bushing for extra durability. For solid insurance of a long lasting ride install these high-tech polyurethane cab mounts. Superior in construction and fit over factory style rubber bushings that can rot and distort over time. This style will always retain its shape and strength. Steel ring supports are added into the support bushing for extra durability. Compatible with 1967-1972 Chevrolet/GMC C20/C25/C30/C35 & K-Series Truck Compatible with 1967-1972 Chevrolet/GMC C20/C25/C30/C35 & K-Series Truck